Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces

Reference 210.30.42.20.01.003

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces is a luxury watch that embodies the essence of precision, style, and adventure. Its sleek black ceramic bezel rotates for precise timing, while its round shape gives it a classic vibe. The black dial features stick and dot indexes for optimal readability, protected by a sapphire crystal. At its heart lies the Omega caliber 8806 movement, certified as a Master Chronometer with resistance to magnetic fields up to 15,000 gauss. With a water resistance rating of 300 meters and a limited edition of only 50 units produced, this watch is not just a timekeeper but also a collector's item. Its stainless steel bracelet is both sturdy and comfortable, making it perfect for all-day wear. Whether you're exploring the ocean or enjoying a night out, this watch ticks all the right boxes.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega caliber 8806 movement
  • 300m water resistance
  • Limited edition of only 50 units produced
  • Sapphire crystal protection
  • Stainless steel bracelet
  • Master Chronometer certification
  • Resistance to magnetic fields up to 15,000 gauss

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces
Reference
210.30.42.20.01.003
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

This is a listing for a 2022 Omega Seamaster Diver 300M in blue, which features a specific set of details.

  • Full set: yes
Posted at
May 7, 2026, 11:54 AM
Active
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

This Omega Seamaster Diver 300M is a 2024 model featuring a Green Seaweed design. It's in excellent condition and thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Box Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Master Chronometer Card,Instructions Manual
  • Shipping Insurance: fully insured
Posted at
May 7, 2026, 11:53 AM
Active
[WTS] Omega Seamaster Diver 300M White Dial-2023

Omega Seamaster Diver 300M White Dial-2023

This Omega Seamaster Diver 300M features a white dial and comes with various accessories including inner box, warranty card, and two aftermarket straps.

  • Condition: Excellent condition
  • Bracelet size: approximately 7.5 inches
  • Clasp type: Omega micro-adjust clasp
Posted at
May 7, 2026, 11:36 AM
Active
[WTS][US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

[US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

Up for sale is an Omega Seamaster Diver 300m - Blue Dial - 41mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic with minor hairlines
  • Case size: 41mm diameter
  • Water resistance: 300m depth rating
Posted at
May 6, 2026, 3:48 PM
Active
[WTS] OMEGA Seamaster Diver 300M Chronograph Grey Dial 210.30.44.51.06.001

OMEGA Seamaster Diver 300M Chronograph Grey Dial 210.30.44.51.06.001

The Omega Seamaster Diver 300M Chronograph features a 44mm stainless steel case and combines the classic 300M dive-watch design with a Master Chronometer chronograph movement.

  • Condition: Excellent pre-owned condition
  • Case size: 44mm
  • Movement rating: Master Chronometer
Posted at
May 5, 2026, 8:37 PM
Active
[WTS] Omega Seamaster Diver 300M 42mm 210.32.42.20.01.001 | No Box/Papers | Verified Authentic | $3,900

Omega Seamaster Diver 300M 42mm 210.32.42.20.01.001 | No Box/Papers | Verified Authentic | $3,900

This Omega Seamaster Diver 300M features a 42mm stainless steel case, black wave dial, and black ceramic bezel.

  • Condition: Excellent overall
  • Case size: 42mm diameter
  • Dial color: Black
  • Bezel material: Ceramic
Posted at
May 5, 2026, 3:19 PM
Active
[WTS] Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Card dated 2018

Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Card dated 2018

This Omega Seamaster Diver features a black no wave dial and is in excellent condition with minimal signs of wear.

  • Condition: Excellent, minimal signs of wear
  • Case size: 41mm
  • Depth rating: 300m
Posted at
May 5, 2026, 2:18 PM
Active
[WTS] Omega Seamaster Diver 300M "No Time To Die" (NTTD) 007 Edition - 210.92.42.20.01.001 - Excellent Condition

Omega Seamaster Diver 300M "No Time To Die" (NTTD) 007 Edition - 210.92.42.20.01.001 - Excellent Condition

Omega - 210.92.42.20.01.001 · $42,000
This listing is for an Omega Seamaster Diver 300M 'No Time To Die' (NTTD) 007 Edition, a limited edition watch.

  • Condition: Excellent Condition
  • Album: https://imgur.com/a/Ngf92ot
Posted at
May 5, 2026, 1:35 PM
Active